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I have owned my 1200 yamaha for a year now and im kinda familar with it.. i have done my own tune up and replaced a reverse cable... but now i was riding it in the river today and all of sudden when i give it the gas it wont go... the engine revs up and itll go bout 10 mph then once it gets there itll rev up high but wont go anywhere but 10 mph... any ideas??? could the motor have sucked something up and thats keeping it for sucking in water??
 

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Yea sounds like some problem in the pump system.......sucked something up (but that ususlly causes vibration), stripped impeller or drive shaft, etc..
 

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nogo

if you have a plastic wear ring,all your push will go around the impeller,if you sucked something in there,look under buy the grate,on the edges of the impeller there should be no lite or you'll see a groove
 
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